题目内容
阵发性室上性心动过速的心电图诊断,不正确的是
2021-11-10
A.心室率150~250/min
B.QRS波群形态可不正常
C.节律一般规则,但也可有不规则
D.可见到逆行P波
E.起始及终止突然
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